Home / 5,459.96-8,190.15-1,762.25

Finding the Fourth Proportional to 5,459.96, 8,190.15 and 1,762.25

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Solution

The fourth proportional to 5,459.96, 8,190.15 and 1,762.25 is: 2,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.96 : 8,190.15 = 1,762.25 : x
  2. Step 2: Convert to fraction form
    5,459.96/8,190.15 = 1,762.25/x
  3. Step 3: Cross multiply
    5,459.96x = 8,190.15 × 1,762.25
  4. Step 4: Simplify right side
    5,459.96x = 14,433,091.84
  5. Step 5: Solve for x
    x = 14,433,091.84/5,459.96
  6. Step 6: Final answer
    x = 2,643.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.